🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 14.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.86 AU - 1.2 AU

Year: 722 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,153,263 km

• M1: 224,696 km (0.047 R)
• M2: 752,178 km (0.062 R)
• M3: 1,269,188 km (0.084 R)
• M4: 1,925,175 km (0.09 R)
• M5: 2,750,955 km (0.086 R)
• M6: 3,201,694 km (0.092 R)
• M7: 3,932,330 km (0.096 R)
• M8: 4,595,048 km (0.092 R)
• M9: 5,124,625 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 15

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.24 AU - 1.46 AU

Year: 1083 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,153,263 km

• M1: 187,297 km (0.11 R)
• M2: 837,000 km (0.055 R)
• M3: 1,423,274 km (0.069 R)
• M4: 1,893,311 km (0.102 R)
• M5: 2,458,192 km (0.059 R)
• M6: 3,936,219 km (0.106 R)
• M7: 4,554,507 km (0.08 R)
• M8: 5,125,073 km (0.084 R)
• M9: 6,239,428 km (0.104 R)
• M10: 6,719,338 km (0.114 R)
• M11: 7,294,841 km (0.117 R)
• M12: 7,878,123 km (0.084 R)
• M13: 8,571,509 km (0.051 R)
• M14: 9,249,636 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 9.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.12 AU - 1.72 AU

Year: 1168 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,153,263 km

• M1: 114,442 km (0.112 R)
• M2: 404,662 km (0.071 R)
• M3: 755,918 km (0.118 R)
• M4: 1,127,519 km (0.12 R)
• M5: 1,585,139 km (0.059 R)
• M6: 2,262,817 km (0.073 R)
• M7: 3,024,570 km (0.107 R)
• M8: 3,642,110 km (0.083 R)
• M9: 4,031,363 km (0.068 R)
• M10: 4,893,646 km (0.092 R)
• M11: 5,206,903 km (0.037 R)
• M12: 5,659,587 km (0.112 R)
• M13: 5,983,167 km (0.096 R)
• M14: 6,503,468 km (0.097 R)
• M15: 7,403,299 km (0.099 R)
• M16: 7,790,908 km (0.087 R)
• M17: 8,522,890 km (0.083 R)
• M18: 8,891,349 km (0.09 R)
• M19: 9,751,537 km (0.061 R)
• M20: 11,061,117 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 12.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.63 AU - 1.93 AU

Year: 1639 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,153,263 km

• M1: 161,416 km (0.086 R)
• M2: 588,219 km (0.05 R)
• M3: 998,566 km (0.057 R)
• M4: 1,755,232 km (0.085 R)
• M5: 2,167,224 km (0.101 R)
• M6: 3,011,106 km (0.061 R)
• M7: 3,476,954 km (0.115 R)
• M8: 4,476,866 km (0.074 R)
• M9: 5,751,440 km (0.057 R)
• M10: 6,473,399 km (0.078 R)
• M11: 7,473,610 km (0.067 R)
• M12: 7,924,498 km (0.12 R)
• M13: 9,100,188 km (0.047 R)
• M14: 9,713,689 km (0.084 R)
• M15: 10,562,657 km (0.103 R)
• M16: 12,722,701 km (0.114 R)
• M17: 13,531,576 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 10.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.89 AU - 3.61 AU

Year: 4044 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,153,263 km

• M1: 126,859 km (0.054 R)
• M2: 452,384 km (0.09 R)
• M3: 784,491 km (0.107 R)
• M4: 1,318,556 km (0.095 R)
• M5: 1,742,217 km (0.114 R)
• M6: 2,125,935 km (0.073 R)
• M7: 2,565,903 km (0.059 R)
• M8: 3,066,008 km (0.107 R)
• M9: 4,081,180 km (0.109 R)
• M10: 5,803,350 km (0.083 R)
• M11: 6,210,705 km (0.057 R)
• M12: 7,050,548 km (0.109 R)
• M13: 8,213,671 km (0.096 R)
• M14: 9,031,672 km (0.034 R)
• M15: 14,059,357 km (0.099 R)
• M16: 14,903,538 km (0.052 R)
• M17: 16,692,878 km (0.107 R)
• M18: 17,459,119 km (0.103 R)
• M19: 18,125,727 km (0.095 R)
• M20: 19,316,825 km (0.076 R)
• M21: 21,371,253 km (0.069 R)
• M22: 21,924,166 km (0.101 R)
• M23: 23,130,972 km (0.12 R)
• M24: 24,985,238 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 14.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.89 AU - 4.63 AU

Year: 5033 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,153,263 km

• M1: 186,848 km (0.09 R)
• M2: 673,639 km (0.074 R)
• M3: 1,193,193 km (0.042 R)
• M4: 1,925,325 km (0.105 R)
• M5: 2,528,503 km (0.085 R)
• M6: 3,107,896 km (0.055 R)
• M7: 3,610,395 km (0.114 R)
• M8: 4,443,506 km (0.095 R)
• M9: 5,374,902 km (0.032 R)
• M10: 5,930,508 km (0.102 R)
• M11: 8,078,584 km (0.084 R)
• M12: 9,348,371 km (0.101 R)
• M13: 10,964,626 km (0.111 R)
• M14: 11,633,628 km (0.112 R)
• M15: 15,014,241 km (0.042 R)
• M16: 16,008,767 km (0.115 R)
• M17: 20,298,337 km (0.085 R)
• M18: 21,376,788 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 8.3

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.9 AU - 4.82 AU

Year: 5235 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,153,263 km

• M1: 103,223 km (0.065 R)
• M2: 600,037 km (0.117 R)
• M3: 907,012 km (0.089 R)
• M4: 1,309,131 km (0.102 R)
• M5: 1,607,579 km (0.098 R)
• M6: 2,843,556 km (0.074 R)
• M7: 4,827,972 km (0.085 R)
• M8: 5,405,420 km (0.09 R)
• M9: 8,260,046 km (0.12 R)
• M10: 9,208,048 km (0.073 R)
• M11: 10,314,773 km (0.116 R)
• M12: 11,892,732 km (0.099 R)
• M13: 12,587,015 km (0.076 R)
• M14: 13,519,010 km (0.053 R)
• M15: 14,110,819 km (0.054 R)
• M16: 16,228,676 km (0.105 R)
• M17: 16,958,714 km (0.115 R)
• M18: 17,457,473 km (0.093 R)
• M19: 19,415,560 km (0.065 R)
• M20: 23,300,916 km (0.068 R)
• M21: 25,587,669 km (0.11 R)
• M22: 27,761,326 km (0.086 R)
• M23: 28,106,298 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.3

Radius: 4.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.77 AU - 6.73 AU

Year: 10785 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,153,263 km

• M1: 52,958 km (0.084 R)
• M2: 235,467 km (0.047 R)
• M3: 491,579 km (0.108 R)
• M4: 1,352,814 km (0.045 R)
• M5: 1,969,905 km (0.093 R)
• M6: 2,348,687 km (0.069 R)
• M7: 2,638,009 km (0.084 R)
• M8: 3,023,523 km (0.089 R)
• M9: 3,366,102 km (0.109 R)
• M10: 4,973,082 km (0.098 R)
• M11: 10,414,256 km (0.039 R)
• M12: 11,915,470 km (0.106 R)
• M13: 12,430,536 km (0.073 R)
• M14: 13,255,568 km (0.115 R)
• M15: 14,324,146 km (0.109 R)
• M16: 16,401,761 km (0.098 R)
• M17: 17,156,183 km (0.096 R)
• M18: 17,812,469 km (0.113 R)
• M19: 20,939,962 km (0.103 R)
• M20: 21,414,636 km (0.112 R)
• M21: 23,530,698 km (0.056 R)
• M22: 25,473,825 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114

Radius: 3.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.03 AU - 6.93 AU

Year: 11386 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,153,263 km

• M1: 57,894 km (0.059 R)
• M2: 182,210 km (0.092 R)
• M3: 734,077 km (0.111 R)
• M4: 1,156,691 km (0.032 R)
• M5: 1,467,256 km (0.053 R)
• M6: 2,805,858 km (0.105 R)
• M7: 3,383,904 km (0.097 R)
• M8: 6,757,037 km (0.111 R)
• M9: 8,526,779 km (0.072 R)
• M10: 9,724,909 km (0.114 R)
• M11: 10,364,140 km (0.12 R)
• M12: 10,760,874 km (0.066 R)
• M13: 13,511,829 km (0.049 R)
• M14: 14,578,462 km (0.075 R)
• M15: 15,872,932 km (0.035 R)
• M16: 17,120,130 km (0.086 R)
• M17: 22,911,213 km (0.042 R)
• M18: 24,039,031 km (0.081 R)
• M19: 24,500,391 km (0.096 R)
• M20: 25,919,776 km (0.096 R)
• M21: 27,644,041 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.3

Radius: 6.6

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.6 AU - 8.5 AU

Year: 14320 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,153,263 km

• M1: 82,129 km (0.115 R)
• M2: 444,904 km (0.105 R)
• M3: 667,356 km (0.115 R)
• M4: 876,344 km (0.087 R)
• M5: 1,129,913 km (0.088 R)
• M6: 1,378,544 km (0.104 R)
• M7: 2,939,299 km (0.09 R)
• M8: 3,147,240 km (0.115 R)
• M9: 3,776,897 km (0.05 R)
• M10: 4,023,136 km (0.105 R)
• M11: 13,040,446 km (0.115 R)
• M12: 14,185,020 km (0.061 R)
• M13: 15,052,388 km (0.109 R)
• M14: 15,326,152 km (0.104 R)
• M15: 17,337,047 km (0.119 R)
• M16: 18,561,805 km (0.107 R)
• M17: 19,115,466 km (0.094 R)
• M18: 20,338,728 km (0.08 R)
• M19: 22,137,643 km (0.115 R)
• M20: 34,371,158 km (0.077 R)
• M21: 37,789,469 km (0.105 R)
• M22: 39,450,903 km (0.109 R)
• M23: 39,841,204 km (0.077 R)
• M24: 47,606,082 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 17,044 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit